the twitter app is available in google play store. >>> scientists think porcupines may hold key to less painful shots. new study says the way the animals' quills are designed, reduces force to pierce tissue. they think it will help develop new needles. the adhesive could have medical use. >> don't recommend you pick them up by hand. >>> next, mare island mystery. search resuming today for the man who disappeared from a tugboat. >>> it was made official in the last 45 minutes, virgin atlantic has a new partner. we'll have details. >> is a cashmere sweater on your gift list? what you need to know before you hit the department stores. >>> now at 6:00, live look outside embarcadero san francisco looking calm now. approaching storm is about to hit the bay area -- [ inaudible ] >>> good morning 6:00 on this tuesday thanks for joining us, i'm kristen sze. >>> and i'm eric thomas. first up a look at weather forecast. >>>